完形填空

    Uncle Bruce has been my most influentialrole model. I admire him because he has1  me into the person Iam today by teaching me about respect and responsibility and that anything 2 having takes a lot of hard work.

    Themost important thing he has3 me is how to think. He always says,“You can learn something from everyone,4it's what not to do.” Healways does what he5. If he says, “I'll pick you up at seven onThursday，”it will 6. Also, Bruce is the kind of person who actually 7  you.

     UncleBruce was in the army for 20 years and went through some terrible 8， but he hasn't let them affect him 9.After hearing his stories about alcohol­and drug­related 10， I have no interest in doing anythingthat could 11 me or myfriends. He is also the only person who truly believes I can 12 it to West Point. He has doneeverything within his 13 to help me achieve that goal.

     UncleBruce is my hero. He is 14 that I want to be when I'm his age. He issmart, financially 15，and gives back to his community. There is no way I can  16 him for all he's done. He isthe one whose 17 can change the way I look at something. I've nevertold him that I love him,18 has he told me, but we love each otherand I wouldn't have it any other way. I'm not 19 he's perfect, but I can't imagine 20 withouthim now that he is here.

已知$f\left(x\right)=x^3-\frac{9}{2}{x}^2+6x-abc,a<b<c$,且f(a)=f(b)=f(c)=0，现给出如下结论：
①f(0)f(1)>0；②f(0)f(1)<0；③f(0)f(2)>0；④f(0)f(2)<0.

其中正确结论的序号为：（     ）

词形变化

下列各句中，划线的熟语使用恰当的一句是(    )